Answer:
On January 22, 2001, EPA adopted a new standard for arsenic in drinking water of 0.01 mg/l or 10 parts per billion (ppb), replacing the old standard of 50 ppb. Water systems had to meet the new standard by January 23, 2006.
Explanation:
<span>The correct answer is 'secondary consumer’. This is because the yellowfin tuna eats herbivorous fish (these are primary consumers - they only eat plants, which are producers) and take refuge from predators. This shows they are not tertiary consumers, as tertiary consumers are at the top of the food chain.</span>
Yes it is , <span>A hypothesis is a reasonable guess based on what you know or observe.</span>
English: Density is MassUnit Volume; relative density is the density compared to a reference substance (usually water) under standard conditions.
Nepali: घनत्व मास एकाई भोल्यूम हो; सापेक्ष घनत्व मानक अवस्था अन्तर्गत सन्दर्भ पदार्थ (सामान्यतया पानी) को तुलनामा घनत्व हो।
Answer:
d
Explanation:
Carbohydrates is bassically sugar
